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[Roadsters] some brake info, need Phil Erickson inputs

To: "datsun-roadsters@autox.team.net" <datsun-roadsters@autox.team.net>
Subject: [Roadsters] some brake info, need Phil Erickson inputs
From: "O'Farrell, Fergus P \(AS\) via Datsun-roadsters" <datsun-roadsters@autox.team.net>
Date: Tue, 1 Sep 2015 12:54:42 +0000
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Thread-topic: some brake info, need Phil Erickson inputs
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Phil Erickson in San Diego has done quite the study of brake OTS/std part o=
ptions.  (rod geometry changes by re-locating the hole, volume vs pedal and=
 cylinder pressure, etc)
All later cars swapped to metric line fittings, so that rules out parts fro=
m most of the rest of the list (510, 610, 710).
I made bench bleeding tubes from JY found lines from a 520 pickup, but have=
 not found any other suitable swapping parts. (and I think the 521 trucks w=
ent with SAE fittings)  The SR20 swappers often swap out all the lines for =
metric so that the parts catalog and availability gets "opened up".

Now you can swap a 510 m/c if you get creative and change the line fitting =
nuts from your SAE m/c, but that cannot be done on the wheel cylinder end. =
 I suppose you could install adaptors at each wheel, but that would be more=
 sources of leaks.
When folks do the Volvo front disk swap, they go to 7/8 m/c from a 280Z, as=
 they need more volume.
I am sure others have a lot more info (but that isn't news)
Fergus O
69 2000 arisen from hibernation

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<p class=3D"MsoNormal">Phil Erickson in San Diego has done quite the study =
of brake OTS/std part options.&nbsp; (rod geometry changes by re-locating t=
he hole, volume vs pedal and cylinder pressure, etc)
<o:p></o:p></p>
<p class=3D"MsoNormal">All later cars swapped to metric line fittings, so t=
hat rules out parts from most of the rest of the list (510, 610, 710).&nbsp=
;
<o:p></o:p></p>
<p class=3D"MsoNormal">I made bench bleeding tubes from JY found lines from=
 a 520 pickup, but have not found any other suitable swapping parts. (and I=
 think the 521 trucks went with SAE fittings)&nbsp; The SR20 swappers often=
 swap out all the lines for metric so that
 the parts catalog and availability gets &#8220;opened up&#8221;.<o:p></o:p=
></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Now you can swap a 510 m/c if you get creative and c=
hange the line fitting nuts from your SAE m/c, but that cannot be done on t=
he wheel cylinder end.&nbsp; I suppose you could install adaptors at each w=
heel, but that would be more sources of
 leaks.<o:p></o:p></p>
<p class=3D"MsoNormal">When folks do the Volvo front disk swap, they go to =
7/8 m/c from a 280Z, as they need more volume.<o:p></o:p></p>
<p class=3D"MsoNormal">I am sure others have a lot more info (but that isn&=
#8217;t news)<o:p></o:p></p>
<p class=3D"MsoNormal">Fergus O<o:p></o:p></p>
<p class=3D"MsoNormal">69 2000 arisen from hibernation<o:p></o:p></p>
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